package com.xxl.job.core.log;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Date;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.helpers.FormattingTuple;
import org.slf4j.helpers.MessageFormatter;

import com.xxl.job.core.util.DateUtil;

/**
 * Created by xuxueli on 17/4/28.
 */
public class XxlJobLogger {

	private static Logger logger = LoggerFactory.getLogger("xxl-job logger");

	/**
	 * append log
	 * @param callInfo
	 * @param appendLog
	 */
	private static void logDetail(StackTraceElement callInfo, String appendLog) {
		/*// "yyyy-MM-dd HH:mm:ss [ClassName]-[MethodName]-[LineNumber]-[ThreadName] log";
		StackTraceElement[] stackTraceElements = new Throwable().getStackTrace();
		StackTraceElement callInfo = stackTraceElements[1];*/
		StringBuffer stringBuffer = new StringBuffer();
		stringBuffer.append(DateUtil.formatDateTime(new Date())).append(" ").append("[" + callInfo.getClassName() + "#" + callInfo.getMethodName() + "]").append("-").append("[" + callInfo.getLineNumber() + "]").append("-").append("[" + Thread.currentThread().getName() + "]").append(" ")
				.append(appendLog != null ? appendLog : "");
		String formatAppendLog = stringBuffer.toString();
		// appendlog
		String logFileName = XxlJobFileAppender.contextHolder.get();
		if (logFileName != null && logFileName.trim().length() > 0) {
			XxlJobFileAppender.appendLog(logFileName, formatAppendLog);
		} else {
			logger.info(">>>>>>>>>>> {}", formatAppendLog);
		}
	}

	/**
	 * append log with pattern
	 * @param appendLogPattern like "aaa {} bbb {} ccc"
	 * @param appendLogArguments like "111, true"
	 */
	public static void log(String appendLogPattern, Object... appendLogArguments) {
		FormattingTuple ft = MessageFormatter.arrayFormat(appendLogPattern, appendLogArguments);
		String appendLog = ft.getMessage();
		/*appendLog = appendLogPattern;
		if (appendLogArguments!=null && appendLogArguments.length>0) {
		    appendLog = MessageFormat.format(appendLogPattern, appendLogArguments);
		}*/
		StackTraceElement callInfo = new Throwable().getStackTrace()[1];
		logDetail(callInfo, appendLog);
	}

	/**
	 * append exception stack
	 * @param e
	 */
	public static void log(Throwable e) {
		StringWriter stringWriter = new StringWriter();
		e.printStackTrace(new PrintWriter(stringWriter));
		String appendLog = stringWriter.toString();
		StackTraceElement callInfo = new Throwable().getStackTrace()[1];
		logDetail(callInfo, appendLog);
	}
}
